Synthesis and characterization of fluorinated block copolymers containing carboxylic or sulfonic groups

Two kinds of ionic fluorocarbon block copolymers were synthesized by atom transfer radical polymerization (ATRP) and polymer-analogue reaction. Fluorinated block copolymers (PTF and PSF) were prepared by ATRP of 2-[(perfluorononenyl)oxy]ethyl methacrylate (FNEMA) using bromine-end-capped poly( tert-...

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Bibliographic Details
Published in:Reactive & functional polymers 2003-01, Vol.56 (3), p.189-197
Main Authors: Li, Hong, Zhang, Zhao Bin, Hu, Chun Pu, Ying, Sheng Kang, Wu, Su Sen, Xu, Xu Dong
Format: Article
Language:English
Subjects:
Applied sciences
Atom transfer radical polymerization (ATRP)
Carboxylic groups
Exact sciences and technology
Ionic fluorinated block copolymers
Organic polymers
Physicochemistry of polymers
Polymers with particular properties
Preparation, kinetics, thermodynamics, mechanism and catalysts
Sulfonic groups
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Summary:Two kinds of ionic fluorocarbon block copolymers were synthesized by atom transfer radical polymerization (ATRP) and polymer-analogue reaction. Fluorinated block copolymers (PTF and PSF) were prepared by ATRP of 2-[(perfluorononenyl)oxy]ethyl methacrylate (FNEMA) using bromine-end-capped poly( tert-butyl acrylate) (PtBA-Br) and poly(styrene) (PS-Br) as macroinitiators, respectively, and were characterized by GPC, FT-IR and 1H-NMR. The former (PTF) was followed by hydrolysis of the tert-butyl groups to carboxylic groups, while the latter was followed by sulfonation of the styrene units to sulfonic groups. The degree of hydrolysis of PTF and the level of sulfonation of PSF were measured by 1H-NMR and elemental analysis, respectively.
ISSN:1381-5148
DOI:10.1016/S1381-5148(03)00051-8